Description �� ESP-01 USB Programmer CH340C Adapter Module | AuscomTech This compact USB adapter is designed for programming and debugging ESP8266 ESP-01 and ESP-01S WiFi modules. It features a CH340C USB-to-UART interface, enabling reliable communication between your computer and the ESP module. With an onboard auto-download circuit and switch control, it simplifies firmware uploading, serial monitoring, and development workflows without manual wiring. ⭐ Key Features CH340C USB Interface – Stable USB-to-serial communication compatible with major operating systems Auto Download Circuit – Enables automatic entry into flashing mode without button pressing Integrated ESP-01 Socket – Direct plug-in support for ESP-01 and ESP-01S modules Onboard Mode Switch – Easily toggle between programming and normal operation Full Pin Breakout – Access to all ESP-01 pins via standard headers for debugging Compact USB Design – Direct USB Type-A connection for convenient use �� Technical Specifications Chipset: CH340C USB to UART Supported Modules: ESP-01, ESP-01S (ESP8266) Interface: USB Type-A Operating Voltage: 5V (USB powered) Logic Level: 3.3V (ESP safe) Socket Type: 2×4P 2.54mm female header Pin Breakout: 2×4P 2.54mm male header Auto Programming: Supported Dimensions: approx. 49.8 × 13.8 mm Weight: approx. 6g �� Typical Applications ESP8266 firmware uploading ESP-01 development and testing WiFi IoT prototyping Serial debugging and monitoring Arduino IDE ESP8266 projects Home automation module setup ⚠️ Important Notes ESP-01 module not included unless specified Drivers for CH340C may be required depending on your system Ensure correct orientation when inserting ESP module Use appropriate COM port settings in development software �� Package Includes 1 × ESP-01 USB Programmer Adapter (CH340C) �� Recommended Accessories (Not Included) ESP-01 / ESP-01S Module – WiFi microcontroller for projects Dupont Jumper Wires – For extended connections and testing Breadboard – Rapid prototyping and circuit setup 5V USB Power Supply – Stable power source for operation